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Syllabus

Work and Energy — Syllabus

NIOS · Class 10 · Science & Tech

What Work and Energy covers in NIOS Class 10 Science & Tech: 4 topics, for the 2026-27 session. Part of the NIOS Class 10 Science & Tech syllabus.

44 questions38 flashcards4 formulas & key relations5 concepts

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An illustration showing three scenarios: a person pushing a wall (no displacement, no work), a person carrying a load and walking on a level road (force and displacement perpendicular, no work against
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4 Topics · NIOS Class 10 Science & Tech · 2026-27

Topics in Work and Energy

1

1. Work and its conditions

  • Work is done only when force is applied and the body moves through some distance in the direction of the force.
  • No work is done if a force is applied but the body does not move.
  • No work is done if no force is applied and the body is at rest or moving with constant velocity.
2

2. Units and relation of work with energy

  • The SI unit of work is newton-metre or joule.
  • Energy has the same unit as work, joule.
  • Energy is the ability to do work.
3

3. Mechanical energy: potential energy and kinetic energy

  • Mechanical energy is the energy a body has because of its position or motion.
  • Potential energy is energy possessed by a body raised above the ground.
  • Potential energy depends on the weight of the body and its height above the ground.
4

4. Forms of energy and their examples

  • Energy is found in many forms: mechanical, thermal, light, electrical, magnetic, sound, and nuclear.
  • Thermal energy gives the sensation of hotness flowing into the body and coldness flowing out.
  • Light energy enables us to see things.

Key Concepts

Central concept: Work and Energy

WorkEnergyMechanical EnergyPotential EnergyKinetic EnergyForms of EnergyEnergy TransformationsLaw of Conservation of Energy

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Frequently Asked Questions

What are the important topics in Work and Energy for NIOS Class 10 Science & Tech?
Key topics in Work and Energy include Work and its conditions, Units and relation of work with energy, Mechanical energy: potential energy and kinetic energy, Forms of energy and their examples. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How should I revise Work and Energy for the NIOS Class 10 board exam?
Learn the core ideas first, then work through the 44 practice questions on Work and Energy. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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